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Looking for contract jobs in London? Haystack offers a curated selection of top IT contract opportunities across the city, connecting skilled professionals with leading companies. Whether you’re a developer, engineer, or tech specialist, find flexible contract roles in London that match your expertise and advance your career. Start your search for London contract jobs today with Haystack!
Google Analytics Data Analyst - Contract - 2-3 month contract
Randstad Technologies
London
Hybrid
Mid - Senior
£250/day - £300/day
RECENTLY POSTED

I’m currently recruiting for a Data Analyst for my London based client. As a Data Analyst you will need strong experience with Google Analytics, Google Tag Manager and cookies/consent management. You will be required to analyse data and put together reports using the organisations templates they already use.

Location: Remote (occasional visits onsite)

Rate: £300 per day

Length: 2/3 months Full time with adhoc work moving forward.

IR35 Status: Outside IR35.

Requirements:

  • Strong Data Analysis skills including; Google tag manager, Google analytics, cookies/consent management and Adobe Engage.
  • A very keen eye for detail when preparing reports you will be required to find issues and resolve any inaccuracies in datasets.
  • Experience in drafting functional specifications.
  • Excellent Excel reporting skills are required for this role.
  • Strong Stakeholder management skills; you will be confident and comfortable preparing analysis for senior/external stakeholders.
  • Excellent communication skills.

If you are interested in this Data Analyst role please respond with your most recent CV. Alternatively email me

Google Analytics Data Analyst - Contract - 2-3 month contract

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Oracle Cloud Integrations Specialist
Solos Consultants Ltd
London
Hybrid
Mid - Senior
£650/day
RECENTLY POSTED

Role: Oracle Cloud Integrations Specialist
Location: London - Primarily remote, with occasional travel to UK office locations (approximately once per month)
Contract Type: 6 months
Rate: £650 Daily Rate Umbrella

Restrictions: SC Clearance required Restrictions Apply

SOLOS Consultants are working with a public-sector organisation to identify an experienced Oracle Cloud Integrations Specialist for a long-term contract engagement

Role Overview

You will play a key role in delivering and maintaining complex Oracle Cloud integrations, working across existing and new workstreams. The role involves hands-on development, integration design, and collaboration within a delivery team operating in a secure environment.

Key Responsibilities

Design, develop, maintain, and enhance integrations using Oracle Integration Cloud (OIC)

Build and support custom applications using Oracle Visual Builder Cloud Service (VBCS)

Integrate Oracle Fusion Cloud applications (ERP and HCM) with other enterprise systems

Develop and unit test integrations using REST, SOAP, and JSON payloads

Produce and maintain integration design documentation and release notes

Work with predefined statements of work and deliver agreed technical outcomes

Collaborate closely with architects, developers, and stakeholders

Support DevSecOps delivery into development and test environments

Troubleshoot integration issues and contribute to continuous improvement

Essential Skills & Experience

Minimum 3 years experience in software or integration development

At least 2 years hands-on experience with Oracle Integration Cloud (OIC)

Experience developing custom applications using Oracle VBCS

Strong experience integrating Oracle Fusion Cloud (ERP and/or HCM)

Proven experience with REST and SOAP web services

Experience working with OAuth, IAM, and JWT security technologies

Strong understanding of systems integration best practices and architectural patterns

Experience with XML, JSON, XSLT, Git, Postman, and related tools

Strong communication skills and ability to work effectively as part of a team

Desirable Experience

Knowledge of Oracle Cloud Infrastructure (OCI)

Experience working within public cloud (IaaS) environments

DevOps or CI/CD pipeline experience

Knowledge of change and release management processes

Experience working in secure or regulated environments

Security & Eligibility

Active UK Security Clearance (SC) is required

Candidates must be Sole British Nationals

This role is inside IR35

Constraints:

Candidates submitted for this role must be Sole British nationals, to confirm:

They are a Sole British citizen, and

They have been a resident in the UK for at least two of the last 5 years

Due to the nature of this work Government security clearance if not already held will need to be obtained.

The minimum clearance required for this role is SC.

(Although advantageous, it is not a requirement that an individual already holds Security Clearance.)

Candidates who do not currently hold clearance must be able to obtain the appropriate level of clearance for the role specified. Short-listed candidates will be submitted for vetting procedures before being formally offered the position. This process can take 6-8 weeks.

If this role is of interest and you meet the above criteria, then please apply immediately.

Solution Design Specialist
Randstad Digital
London
Remote or hybrid
Mid - Senior
£500/day - £550/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Packet Core Design Engineer (4G / 5G SA)

We are looking for a Packet Core specialist to lead the design and integration of a mission-critical Emergency Services Network. This role focuses on the transition from 4G legacy systems to a cloud-native 5G Standalone (SA) architecture.

The Essentials

  • 4G Design: Deep knowledge of MME, GW-C, GW-U and interfaces (S1-MME/U, S6a, S5/S8, SGi).
  • 5G SA Design: Expertise in SBA architecture and N-interfaces (AMF, SMF, UPF).
  • Cloud-Native: Experience with NFVI and Kubernetes (containerised systems management).
  • Deliverables: Ownership of HLD/LLD, integration, and configuration management.
  • Networking: Strong understanding of IP networks and core protocols.

The Mission

You will be responsible for the high-level and low-level design of core components, supporting critical test activities, and troubleshooting complex issues to ensure the reliability of emergency communication services.

Apply

If you have a strong 3GPP background and are ready to work on a high-impact national project, please apply with your updated CV.

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Solution Design Specialist
Randstad Digital
London
In office
Mid - Senior
£500/day - £550/day
RECENTLY POSTED

Packet Core Design Engineer (4G / 5G SA)

We are looking for a Packet Core specialist to lead the design and integration. This role focuses on the transition from 4G legacy systems to a cloud-native 5G Standalone (SA) architecture.

The Essentials looking for candidates with 3GPP 4G and 5G SA knowledge of Packet Core Network, understanding architecture, integration and protocols on Core network interfaces (4G mainly S1-MME/U, S4, S6a, S5/S8, SGi and others, for 5G SA N-interfaces/SBA architecture), knowledge of NFVI architecture/principles of containerised virtual systems management (Kubernetes) and understanding of IP networks. The role will require contributing to High and Low Level Packet Core Network designs for MME, GW-C, GW-U (4G) and AMF, SMF, UPF (5G SA), integration of these components with other parts of Emergency Services Network, supporting test activities and troubleshooting issues and config management for Packet Core Network

The Mission

You will be responsible for the high-level and low-level design of core components, supporting critical test activities, and troubleshooting complex issues to ensure the reliability of emergency communication services.

Apply

If you have a strong 3GPP background and are ready to work on a high-impact national project, please apply with your updated CV.

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Fire Alarm Engineer - Small Works
Rullion Limited
London
In office
Junior - Mid
£350/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Role: Fire Alarm Engineer - Small Works

Location: Knightsbridge, London

Duration: Until September 2026

Pay Rate: £350 P/day Umbrella

Hours of work: 7:00 - 15:00

Week : Mon - Friday ( Flexibility/ Weekends and Evenings may be needed dependant on project schedule)

Responsibilities:

The Role: As a Fire Systems Small Works Installation Engineer, you will be responsible for the installation, commissioning, and handover of small-scale fire alarm and detection system projects. This role is ideal for a technically skilled engineer who is comfortable working independently can deliver high-quality work in line with industry standards.

You’ll be expected to liaise with clients on-site, maintain documentation, and ensure all works are delivered to specification and in line with current regulations.

Key Responsibilities:

  • Install, commission, and test fire alarm systems to BS 5839-1 standards
  • Carry out modifications and upgrades on existing systems
  • Complete all documentation, including job sheets, commissioning certificates, and handover forms
  • Communicate effectively with clients, project managers, and internal teams
  • Ensure all work is completed within budget, on time, and to a high standard
  • Adhere to all company policies and health and safety procedures
  • Mark up as fit drawing for design team
  • Attend training to stay up to date with latest standards and technology

Essential Requirements:

  • Proven experience installing and commissioning fire detection and alarm systems
  • Strong working knowledge of BS 5839-1
  • Experience with Sinteso/ Desigo ( preferred, but training will be provided)
  • ECS or CSCS Card
  • Excellent communication and customer-facing skills

Desirable Qualifications:

  • FIA Units (e.g., Units 1 & 4) or equivalent certification
  • Experience with CCTV
  • Experience with Sinteso/ Desigo ( preferred, but training will be provided)

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

Salesforce Data Cloud Architect
Infoplus Technologies UK Ltd
London
Remote or hybrid
Senior - Leader
£550/day - £600/day
RECENTLY POSTED

Job SummaryWe are seeking a Salesforce Architect proficient with Data Cloud and Salesforce Agentforce to spearhead the implementation of autonomous AI agents. You will serve as the strategic advisor for our AI roadmap, translating business needs into agentic solutions that leverage Data Cloud, Einstein AI, and Agentforce Service/Sales Agents.Key ResponsibilitiesStrategic Advisory: Act as the subject matter expert (SME) for Agentforce, providing guidance on platform capabilities, architecture patterns, and best practices.Agent Design & Deployment: Design and build custom Agentforce Agents for autonomous workflows, including intent design, prompt templates, and natural language interactions.Technical Integration: Architect end-to-end solutions that unify Salesforce Data Cloud and Agentforce to ensure agents have the “grounding” data needed for accurate responses.Data Modeling & Strategy: Design data models, pipelines, and transformations for ingestion, harmonization, and enrichment within Salesforce Data Cloud.System Integration: Integrate data from Salesforce Sales/Service Cloud, marketing systems, and external databases to support unified customer profiles.Team Leadership: Lead squads of developers, business analysts, and testers; act as an escalation point for technical issues and mentor the team on prompt engineering.Governance & Testing: Utilize the Agentforce Testing Center to validate agents and track performance metrics to execute iterative improvements.Stakeholder Management: Build strong relationships with executive teams to drive ROI from AI investments. Required Skills & QualificationsCore Salesforce Expertise: Deep understanding of the Salesforce platform, specifically Service Cloud, Data Cloud, and Apex/LWC.AI Specialization: Proven experience with Generative AI, Prompt Engineering, and Large Language Models (LLMs).Technical Proficiency: Extensive experience with Salesforce Flows, OmniStudio, and integration middlewares like MuleSoft. Certifications:oSalesforce Certified Agentforce Specialist (Essential)oSalesforce Certified Data Cloud ConsultantoSalesforce Certified AI Associate or Specialist

Salesforce Developer - Up to 660 Per Day
Anson McCade
London
In office
Mid - Senior
£660/day
RECENTLY POSTED

Salesforce Developer - Up to 660 Per DayInside IR356 Month ContractActive SC Clearance

A leading technology organisation is seeking a Salesforce Developer to join their Public Sector-focused delivery team in London. Youll be building and extending Salesforce Industry Cloud solutions, working with Flows, OmniScript, Apex, and LWC, while collaborating with project leads and stakeholders.

Role Overview:

  • Develop and deploy Salesforce Public Sector Solutions, including Flows, OmniScript, FlexCards, and Action Plans
  • Implement custom Apex classes and Lightning Web Components where required
  • Follow best practices, maintain solution quality, and contribute to CI/CD pipelines
  • Collaborate in an Agile team, supporting and mentoring colleagues where needed

What Theyre Looking For:

  • 5+ years Salesforce Industry Cloud development experience
  • Experience with OmniStudio / Public Sector Solutions
  • Skills in Apex, LWC, JavaScript, and integration tools (Mulesoft / APIGEE beneficial)
  • Understanding of Salesforce security model, testing, and CI/CD deployment
  • Strong communication, problem-solving, and time-management skills
  • Active SC clearance or willingness to obtain

Please apply with your latest CV if you meet the requirements and are interested in this opportunity

Embedded Engineer
SR2
London
Hybrid
Mid - Senior
£500/day - £550/day

Contract Embedded Software Engineer London | Outside IR35 | £550 per day | Hybrid This contract sits within a highly capable engineering SME working on advanced, safety-critical embedded systems. The work is discreet by nature and requires engineers who are comfortable operating in environments where technical depth, pace and trust matter. You’ll be joining a small, experienced team delivering embedded software that interacts directly with real hardware. The focus is on robust, production-quality code, not prototypes that never leave the lab. What you’ll be doing Developing embedded software in C/C++ Working close to hardware, supporting bring-up and integration Debugging and fault-finding at system level Collaborating directly with experienced engineers across disciplines Contributing to systems where reliability and performance are non-negotiable What you’ll bring Strong background in embedded software engineering Comfortable working across the full development lifecycle Experience with Linux or RTOS environments Confident debugging complex hardware/software interactions Eligible for Security Clearance (or already hold it) Contract details £550 per day, outside IR35 London-based, hybrid working Initial contract with extension potential Apply for a confidential conversation

Senior Engineer
Experis
London
Hybrid
Senior
Private salary
+3

Job title: Senior Engineer - Identity
Contract: 6 months (extension possible)
Location: London (Hybrid - 1 day onsite, 4 days remote)

Overview
We are seeking a Senior Engineer to support and deliver across key Identity-related workstreams. This role requires a strong backend engineering foundation combined with hands-on delivery capability across distributed systems. The successful candidate will operate across multiple software components, contributing to both new delivery and continuous improvement initiatives.

You will be expected to take ownership, proactively drive progress, and work within a structured delivery framework while maintaining a clear focus on product impact and customer outcomes.

Core Technical Skills
Skills

  • Java and/or Kotlin
  • Micronaut or Spring Boot
  • Experience building and supporting distributed systems
  • React / Next.js
  • AWS and/or Azure experience

Experience

  • Identity & Access Management standards (OAuth 2.0, OIDC, SAML)
  • Microsoft Azure services (application deployment, integration, identity management)
  • Observability and monitoring practices (Dynatrace experience advantageous)

Key Responsibilities

  • Contribute to delivery across Identity-focused engineering streams
  • Work across multiple software components with a hands-on, problem-solving mindset
  • Improve and remediate existing systems where required
  • Operate effectively within a structured engineering delivery process
  • Take ownership of deliverables and proactively drive work forward
  • Align technical solutions with product objectives and customer impact
Data Analyst (SC + NPPV3 Cleared)
Syntax Consultancy
London
Hybrid
Mid - Senior
£450/day - £475/day

Data Analyst

Croydon (Hybrid)

6 Month Contract

£450-475/day (Outside IR35)

Data Analyst needed with active SC Clearance and NPPV3 Security Clearance. 6 Month Contract based in Croydon (Hybrid).

Paying to £450-475/day (Outside IR35). Start ASAP in Feb/March 2026.

Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site in the Croydon office, plus occasional travel to the Birmingham office.

A chance to work with a leading global IT transformation business specialising in delivering large-scale Government/Public Sector projects.

Key experience + tasks will include:

  • Data Analyst needed to transform raw data into meaningful insights, create performance dashboards + support strategic decision-making.
  • In-depth experience of Power BI, Tableau + ETL tools for reporting dashboards + data visualisation.
  • Strong SQL + advanced MS Excel skills for data extraction, analysis + modelling.
  • Experience of AWS Cost Management tools including: Cost Explorer, Budgets, CUR, tagging strategies.
  • Analysing AWS cloud spend, producing AWS Cloud cost reporting, forecasting, usage analysis, cost insights + expenditure tracking.
  • Able to analyse + interpret complex datasets and translate them into meaningful insights and reports.
  • Creating programme-level dashboards, reports + performance packs for key stakeholders and governance boards.
  • Analysing delivery progress, risks, dependencies + KPI metrics to support sound decision-making.
  • Producing programme level reporting packs, KPI dashboards + performance summaries.
  • Providing deep dive analysis on delivery performance, operational trends + financial impacts.
  • Understanding of AWS Cloud architecture concepts including: EC2, Lambda, VPC, S3, RDS, CloudWatch.
  • Government/Public Sector/GOV.UK transformation project experience preferred, especially Cloud migration.
Threat Defence Delivery Manager
Tec Partners
London
Hybrid
Senior - Leader
Private salary
TECH-AGNOSTIC ROLE

Position: Threat Defence Delivery Manager
Location: London/Hybrid

Type: Contract, Inside IR35, 6 Months

Rate: (Apply online only) p/day

We are seeking an experienced Threat Defence Delivery Manager to lead a critical workstream within a major cyber transformation programme. This role is responsible for consolidating and enhancing the organisation’s threat detection and response capabilities across all business units.

In this role, you will:

  • Lead the implementation of a unified Security Operations Centre (SOC), providing a single view of security events while supporting federated reporting for individual business units.
  • Manage the selection and onboarding of a Managed Security Service Provider (MSSP), overseeing phased migration of systems and services over multiple years.
  • Drive the deployment of best-in-class security technologies, including Endpoint Detection & Response (EDR) and Security Information and Event Management (SIEM) solutions.
  • Collaborate with Cyber Security, IT, and business stakeholders to ensure alignment, adoption, and smooth transition to business-as-usual operations.
  • Support M&A activities by enabling rapid onboarding/offboarding of businesses into the SOC environment.

What we’re looking for:

  • Proven experience leading SOC consolidation programmes and EDR/SIEM implementations
  • Strong knowledge of cyber security operations, frameworks, and standards
  • Excellent programme and stakeholder management skills
  • Ability to oversee complex, multi-year workstreams, balancing risk, budget, and benefits realisation

This is a unique opportunity to strengthen the organisation’s security posture at an enterprise scale, creating a resilient, future-ready platform to detect, respond to, and mitigate cyber threats.

Identity & Access Management Workstream Lead (IAM/IDAM)
Tec Partners
London
Hybrid
Senior
£700/day - £725/day

Position: Identity & Access Management Workstream Lead (IAM/IDAM) Location: London/Hybrid

Type: Contract, Inside IR35, 6 Months

Rate: (Apply online only) p/day

We are looking for an experienced Identity & Access Management Workstream Lead (IAM/IDAM) to take ownership of a major cyber transformation programme. This strategic role is responsible for defining the IDAM strategy, overseeing a portfolio of initiatives, and ensuring that people, systems, and data are protected through modern, robust identity practices.

In this role, you will:

  • Lead a team of project managers to deliver initiatives across identity lifecycle management, privileged access, Identity Governance & Administration (IGA), multi-factor authentication (MFA), and single sign-on (SSO).
  • Shape the organisation’s next-generation identity security controls, supporting safe, responsible adoption of emerging technologies such as AI.
  • Collaborate across Cyber Security, IT, HR, and business functions, ensuring alignment, adoption, and effective change management.
  • Drive the transition from project delivery to business-as-usual, ensuring systems and processes are sustainable, scalable, and future-ready.

What we’re looking for:

  • Proven experience delivering large-scale IDAM or security transformation programmes
  • Strong understanding of identity principles, controls, and technologies
  • Excellent stakeholder management, leadership, and communication skills
  • Ability to manage complex, multi-project portfolios, balancing delivery, risk, and benefits realisation

This is a rare opportunity to shape the identity ecosystem of a major organisation, embedding security into the very fabric of the business while enabling innovation and operational efficiency.

Project Manager (2-5 Years Experience)
Red King Resourcing
London
Hybrid
Junior - Mid
£400/day - £450/day
TECH-AGNOSTIC ROLE

An exciting opportunity has arisen for a Project Manager, ideally with 2-5 years experience to support a major business transformation programme centred around three strategic priorities: People, Performance, and Platform.

The Platform priority focuses on scalable processes and tools, strengthened governance, reduced cost ratios, and the successful delivery of high-impact digital initiatives that drive competitive advantage. Digital is a core enabler of this strategy.

This role will support the Associate Director of Digital Operations and CIO in governing the Platform priority and ensuring effective oversight of the initiatives that underpin its success.

The Role

You will play a key role in supporting governance, reporting, communications, and coordination across a portfolio of Platform initiatives. This is a highly visible position with exposure to senior leadership and cross-functional stakeholders.

Principal Accountabilities

  • Support governance of the Platform strategic priority
  • Manage senior leadership sessions (agenda setting, Terms of Reference, minutes, and governance administration)
  • Create high-quality communications collateral for organisation-wide Platform updates
  • Provide oversight and reporting across multiple Platform initiatives
  • Act as a visible point of contact for Platform-related information and collaboration

Reporting into the Associate Director, Digital Operations you will combine project management discipline with hands-on PMO support in a fast-paced, strategically important environment.

The right Candidate will be a proactive and capable Project Manager who is comfortable balancing structured project delivery with governance and administrative responsibilities.

Skills & Experience

  • Strong foundation in project management disciplines
  • Excellent written and verbal communication skills
  • Ability to engage confidently with stakeholders at all levels
  • Strong planning and organisational skills
  • Ability to manage competing priorities under pressure
  • Flexible mindset and willingness to support across a small team
  • Understanding of technology and data environments
  • Knowledge of business process re-engineering

Contract Details

  • Start: ASAP
  • Duration: 9 months
  • Rate: Approximately 400 - 450 per day (Inside IR35)
  • Location: London - minimum 2 days per week in the office (typically 2-3 days)

Please note the contract details, the rate is for the level of experience we are looking for, it is inside IR35, there is no flexibility and it will be 2/3 days a week onsite in central London, if you are happy with these details I am keen to see an up to date CV and will give you a call to discuss a fantastic opportinity with a market leading Client.

Business Analyst - Security Clearance
VIQU IT
London
Hybrid
Senior
£550/day - £650/day
TECH-AGNOSTIC ROLE

Senior Business Analyst Contract 6 months Security Cleared

Our customer has a number of large-scale transformation project running over the next 12-24 months and require a team of Business Analysts to support them on these journeys.

The Business Analyst must have experience in eliciting, analysing and managing complex business requirements, working on large-scale transformation projects, using data and insight to influence decision-making and drive change.

Senior Business Analyst s Essential Skills & Experience:

  • Security Cleared Business Analyst
  • Happy to attend site 40% of their time (average 2 days per week)
  • Ideally having worked with in Financial Services
  • Proven background working as a Business Analyst on initiatives or programmes, with accountability for gathering, analysing, and managing business requirements.
  • Experience leading workshops and stakeholder discussions to capture requirements and confirm proposed solutions.
  • Proven ability to elicit, analyse, and document business and solution requirements, develop operating models and process designs (e.g. BPMN), and assess the impact, risks, and dependencies of proposed system and process changes.
  • Understanding of business architecture concepts, with experience working across data lifecycles including analysis, integration, and migration.
  • Familiarity with scaled Agile delivery models (including hybrid Agile/Waterfall environments) and possession of relevant professional certifications such as Agile, DevOps, or equivalent.

Senior Business Analyst s experience / project experience could include:

  • Experience of working within Financial Services
  • Change Enablement project expertise
  • Data Management data journey s data analysis, data integration, data migration projects
  • Any Payments / Banking project experience, ideally:
    • SAP / ERP Projects
    • Collateral Management
    • T24 experience

Apply now to the Security Cleared Business Analyst and speak with VIQU IT in confidence. Or reach out to Mike McEvoy on via the VIQU IT website.

Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on IT Recruitment.

Lead PySpark Engineer - Data, SAS, AWS
Randstad Technologies Recruitment
London
Remote or hybrid
Senior
£350/day - £380/day

Lead Data Engineer - Pyspark / AWS / Python / SAS - Financial Sector

As a Lead PySpark Engineer, you will design, develop, and fix complex data processing solutions using PySpark on AWS. You will work hands-on with code, modernising legacy data workflows and supporting large-scale SAS-to-PySpark migrations. The role requires strong engineering discipline, deep data understanding, and the ability to deliver production-ready data pipelines in a financial services environment.

Essential Skills

PySpark & Data Engineering

  • Minimum 5+ years of hands-on PySpark experience.
  • SAS to Pyspark migration experience
  • Proven ability to write production-ready PySpark code.
  • Strong understanding of data and data warehousing concepts, including: ETL/ELT, Data models, Dimensions and facts, Data marts, SCDs

Spark Performance & Optimisation

  • Strong knowledge of Spark execution concepts, including partitioning, optimisation, and performance tuning.
  • Experience troubleshooting and improving distributed data processing pipelines.
  • Python & Engineering Quality
  • Strong Python coding skills with the ability to refactor, optimise, and stabilise existing codebases.
  • Experience implementing parameterisation, configuration, logging, exception handling, and modular design.

SAS & Legacy Analytics

  • Strong foundation in SAS (Base SAS, SAS Macros, SAS DI Studio).
  • Experience understanding, debugging, and modernising legacy SAS code.

Data Engineering & Testing

  • Ability to understand end-to-end data flows, integrations, orchestration, and CDC.
  • Experience writing and executing data and ETL test cases.
  • Ability to build unit tests, comparative testing, and validate data pipelines.

Engineering Practices

  • Proficiency in Git-based workflows, branching strategies, pull requests, and code reviews.
  • Ability to document code, data flows, and technical decisions clearly.
  • Exposure to CI/CD pipelines for data engineering workloads.

AWS & Platform Skills

  • Strong understanding of core AWS services, including: S3, EMR / Glue, Workflows, Athena, IAM
  • Experience building and operating data pipelines on AWS.
  • Big data processing on cloud platforms.

Desirable Skills

  • Experience in banking or financial services.
  • Experience working on SAS modernisation or cloud migration programmes.
  • Familiarity with DevOps practices and tools.
  • Experience working in Agile/Scrum delivery environments.

I have three roles available all of which can be worked remotely so dont delay and apply today. I have interview slots ready to be filled

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Solution Design Specialist
Randstad Technologies Recruitment
London
In office
Mid - Senior
£500/day - £550/day
TECH-AGNOSTIC ROLE

Packet Core Design Engineer (4G / 5G SA)

We are looking for a Packet Core specialist to lead the design and integration of a mission-critical Emergency Services Network. This role focuses on the transition from 4G legacy systems to a cloud-native 5G Standalone (SA) architecture.

The Essentials

  • 4G Design: Deep knowledge of MME, GW-C, GW-U and interfaces (S1-MME/U, S6a, S5/S8, SGi).
  • 5G SA Design: Expertise in SBA architecture and N-interfaces (AMF, SMF, UPF).
  • Cloud-Native: Experience with NFVI and Kubernetes (containerised systems management).
  • Deliverables: Ownership of HLD/LLD, integration, and configuration management.
  • Networking: Strong understanding of IP networks and core protocols.

The Mission

You will be responsible for the high-level and low-level design of core components, supporting critical test activities, and troubleshooting complex issues to ensure the reliability of emergency communication services.

Apply

If you have a strong 3GPP background and are ready to work on a high-impact national project, please apply with your updated CV.

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

ServiceNow Platform Architect - SC Cleared
CBSbutler Holdings Limited trading as CBSbutler
London
Remote or hybrid
Senior - Leader
£600/day - £650/day
TECH-AGNOSTIC ROLE

ServiceNow Platform Architect

  • SC Cleared role

  • 600 to 650 per day - Inside IR35

  • Fully remote - occasional travel to London

Key Skills:

  • SC Cleared

  • ServiceNow Architect

Platform Architect:

Define and manage the architecture of the platform (at Official and Secret on MOD platforms) for the private beta and initial public beta requirements, ensuring compliance with Defence standards, governance and leading practices.
Design advanced highly available platform architecture to meet data protection and business continuity requirements.
Design and run POCs for common services for complex process automation.
Design and assure platform developer services together with the team and other stakeholders.
Manage platform and governance products technical debt
Define architectural patterns and reusable components in line with ACOE strategy and integrate them into the ACOE reuse mechanisms.
Provide technical leadership to other team members and the wider ACOE.
Engage with business stakeholders, and their respective delivery teams through the lifecycle, to ensure clear understanding of the platform capabilities and design.
Skills and knowledge

ServiceNow architecture and design for process automation including knowledge of the following:
Now Platform
App Engine
Integration Hub
Predictive and task intelligence
Process mining
Instance provisioning
App containerization
Performance analytics.
UK national

Technical AI Consultant - Contract
VIQU IT
London
Hybrid
Mid - Senior
£600/day - £700/day
TECH-AGNOSTIC ROLE

AI Technical Consultant Contract

Rate: £700 per day
Contract Length: 3 6 months
Location: Flexible / Hybrid (depending on candidate)

An exciting AI startup is looking for an experienced AI Technical Consultant to join them on a critical project phase. This is a hands-on contract role suited to someone who can operate at both a technical and advisory level, helping shape, deliver, and optimise AI-driven solutions.

You ll work closely with founders, engineers, and stakeholders to translate business requirements into scalable AI solutions, provide technical guidance, and support delivery across the project lifecycle.

Key Responsibilities:

  • Act as a technical advisor on AI architecture, model selection, and implementation
  • Work closely with engineering and product teams to deliver AI solutions end-to-end
  • Provide hands-on input across model development, deployment, and optimisation
  • Support stakeholders with technical decision-making and best practice
  • Ensure solutions are scalable, ethical, and aligned with business objectives

Required Experience:

  • Proven experience as an AI Consultant, AI Engineer, or similar technical role
  • Strong understanding of machine learning, AI frameworks, and deployment practices
  • Experience working with startups or fast-paced environments
  • Ability to communicate complex technical concepts to non-technical stakeholders
  • Prior contract experience is highly desirable

This is a fantastic opportunity to work with a high-growth AI startup, influence key technical decisions, and deliver real impact in a short timeframe.

If you re interested email me at (url removed)

Data Engineer (SC Cleared)
Syntax Consultancy Ltd
London
Hybrid
Senior - Leader
£500/day

Data Engineer (MS Fabric)

London (Hybrid)

6 Month Contract

£500/day (Inside IR35)

Data Engineer needed with active SC Security Clearance and Microsoft Fabric enterprise data platform expertise. 6 Month Contract based in London (Hybrid).

Paying £500/day (Inside IR35). Start ASAP in Feb/March 2026.

Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site from the office in Central London.

A chance to work with a leading global IT and Digital transformation business specialising in Government projects:

Key experience + tasks will include:

  • Technical Leadership: owning Microsoft Fabric architecture including: Lakehouse, OneLake organization, Warehouse patterns, Gold Layer modelling, defining / implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention.
  • Team Leading / Delivery: setting standards, directing / mentoring the team, reviewing designs, unblocking delivery.
  • Planning / coordinating internal squads and external suppliers, managing risks/issues + meeting milestones.
  • Stakeholder Management: engaging with product owners, analysts + tech leads, progress/risk reporting.
  • Multi-source Integration: coordinating reliable ingestion + orchestration, testing, test data preparation, reporting validation, release practices.
  • Operational Readiness: ensuring documentation / run books + non-functional requirements are met (security, resilience, performance).
  • Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting.
  • Active SC Clearance is essential for this project.
Network SRE
SR2
London
In office
Senior
£500/day - £525/day

Senior Network SRE (Contract)

Location: On-site 5 days a week in London
Rate: 500 per day
Contract: Inside IR35

We’re looking for a Senior Network Site Reliability Engineer (SRE) to join a global network operations team supporting large-scale, business-critical infrastructure. This is a hands-on, high-impact contract role where you’ll play a key part in keeping complex network environments reliable, scalable, and performant.

You’ll take ownership of major incidents, troubleshoot deep technical issues, and drive automation and observability across a multi-vendor estate.

The role:

  • Lead incident management for critical network issues, owning resolution during outages and high-pressure situations
  • Troubleshoot complex network problems across routing, switching, firewalling, and wireless environments
  • Provide technical leadership, setting direction and mentoring other engineers
  • Operate in a 24/7 environment, participating in a shift-based support model
  • Work across a multi-vendor estate, including Arista, Cisco, Cumulus, Palo Alto, Check Point, F5, Netscaler, Aruba, Mist, A10, Spectrum Ethernet, and InfiniBand
  • Support network security and segmentation, including VPN solutions such as GlobalProtect and AnyConnect
  • Drive automation and observability, using modern monitoring, alerting, and configuration tools
  • Contribute to innovation projects, including wireless design and AI cluster deployments

Requirements:

  • 10+ years ofhands-on experience in network engineering and operations
  • Deep expertise in routing, switching, firewalling, and wireless
  • Strong understanding of overlay and underlay networking
  • Solid experience in Linux/Unix environments
  • Proven ability to work independently and take technical ownership

Technical stack & tooling:

Network & Architecture (one required):

  • EVPN & Segment Routing
  • or significant MPLS expertise

Tools & Platforms:

  • NetBox / Nautobot
  • Prometheus / VictoriaMetrics
  • Salt
  • Grafana, Splunk, syslog
  • ServiceNow, BigPanda, ITMP
  • Ansible

Nice to have

  • Experience with InfiniBand and AI cluster deployments
  • Wireless design experience (Cisco, Mist, Aruba)
  • Strong background in network asset management

Please apply with a copy of your CV and Emma from SR2 will contact potential candidates regarding next steps.

Full Stack Developer
DCV Technologies
London
In office
Mid - Senior
£400/day - £500/day

Contract Full Stack Developer (Python, Dash/Streamlit, Azure)

We are recruiting for an experienced Contract Full Stack Developer with strong Python expertise to join a delivery-focused engineering team working on high-impact digital applications.

This role suits a hands-on developer who can build, deploy and maintain Python-based web applications used across operational, analytics and customer-facing platforms.

Key Responsibilities

  • Build and maintain Python web applications using Dash and/or Streamlit
  • Develop scalable backend services using modern Python practices
  • Deploy and support applications in Azure and hybrid cloud environments
  • Implement and maintain CI/CD pipelines using GitHub and GitHub Actions
  • Containerise applications using Docker
  • Work closely with engineering, operations and data teams to deliver production-ready solutions
  • Participate in code reviews and technical assessments

Essential Skills

  • Strong commercial experience as a Python Developer / Full Stack Developer
  • Hands-on experience with Dash and/or Streamlit
  • Experience with Docker and CI/CD pipelines
  • GitHub and GitHub Actions
  • Cloud experience (Azure preferred)
  • Experience building and deploying production applications

Desirable

  • Experience in utilities, energy, grid, or operational systems
  • Hybrid cloud or on-prem integration experience
  • Knowledge of Kubernetes
  • Experience with data platforms or analytics tools

Role Details

  • Contract role (6 months)
  • Competitive day rate
  • Office-based / delivery-focused environment

This is an excellent opportunity for a Python-led Full Stack Developer who enjoys building real-world applications and delivering robust engineering solutions.

Apply now for immediate consideration.

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